For a one-way ANOVA for independent groups source table, the ...

[Wadzanai]

For a one-way ANOVA for independent groups source table, the total degrees of freedom is 26,
  and the between-groups degrees of freedom is 2. The within-groups degrees of freedom should
  therefore equal
 
  A) 1 B) 2 C) 14 D) 28 E) 24

Question 2

What should you if you find a significant interaction between the IVs in your factorial design?
 
  A) re-do the study because significant interactions indicate the presence of extraneous
  variables
  B) don't interpret the interaction, just the main effects
  C) don't interpret the main effects, just the interaction
  D) interpret both the main effects and the interaction

[cat123]

Answer to Question 1

E

Answer to Question 2

C